<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>测试增加(提交)</h1>
<form action="/add" method="post">
  <label for="userName">Name:</label>
  <input type="text" id="userName" name="userName" required> <br>
  <label for="address">Address:</label>
  <input type="text" id="address" name="address" required> <br>
    <label for="phone">Phone:</label>
    <input type="text" id="phone" name="phone" required> <br>
  <input type="submit" value="submit">
</form>
<a th:href="@{/findAll}">回去看看</a>
</body>
</html>